quizchain/61

Solved on 2019-04-23 after 0s, key derived from the published recipe. 0.007 BTC on Bitcoin.

Story

What the post asked, what the answer turned out to be, and what the chain says happened. The record below holds the data.

Love

"Beautiful four letter word." After two hard blocks, a deliberately easy one.

Love, made of two Atbash pairs, LO and EV. Claimed in the funding block.

The post gave kS5ehsq as the tail of the block 60 key. It's the tail of block 59's, a player noticed. The hash uses it as given.

IDquizchain/6161 / 772019-04-23

Puzzle / quizchain

61

bitcoinp2pkh solved

Record

bitcoinPuzzle({
  address: p2pkh("17uboXEVcgij…t1ic3xHj", "4bc36fa02dea…b73dd10e"),
  status: Status.Solved,
  key: wif("L5YFWxwM8knM…1TcyacQf").entropy("13656367029a…c657ec49", source("https://www.…lock_61/")).derived(),
})

Prize: 0.007 BTC
Key material: wif, derived from the recipe
Verification: verified
Solved: 2019-04-23 · 0s

tx 2

Trail: Explorerblockstream.info; Sourcereddit.com/r/bitcoinpuzzles/comments/bgg9mx/7_mbtc_quizchain_block_61; Tryquizchain/61 in the playground

Address: 17uboXEVcgijMjNZ4ZjRnhwWLot1ic3xHj

hash160 4bc36fa02dea2fc03a0a8bdd258cb0c2b73dd10e

Balance

asking the explorer

Key

public key · compressed: 02ce632d4c86b18c58bc448a491b3432e616a415489b3ebe6494893181acf365f9
WIF: L5YFWxwM8knMBxcbAEH1yz5YYqNrRbr87syTDvNC1Zk41TcyacQf
entropy hash: 13656367029a4fd1b32e12dfc657ec49
entropy source: MD5 of the word, TOMI, the cipher and the seven characters the post gave, which end the block 59 key

Transactions

funding2019-04-230.007 BTC45e038c495…c6e2c1
claim2019-04-230.00680544 BTC8be39de55b…de9d65

Hints

undated
officialQuestion: Beautiful four letter word.
Sourcereddit.com/r/bitcoinpuzzles/comments/bgg9mx/7_mbtc_quizchain_block_61
Published answer
Solution was Love, since that word can be made from two Atbash pairs, LO and EV.
Sourcereddit.com/r/bitcoinpuzzles/comments/bgg9mx/7_mbtc_quizchain_block_61
undated
officialUse kS5ehsq (last 7 digits of block 60 private key) for link. Use Atbash as TOMI string.
Sourcereddit.com/r/bitcoinpuzzles/comments/bgg9mx/7_mbtc_quizchain_block_61
undated
officialSolution word is capital letter first letter only.
Sourcereddit.com/r/bitcoinpuzzles/comments/bgg9mx/7_mbtc_quizchain_block_61